Swiss Prime Site AG, through its subsidiaries, provides real estate investment services. The company operates through three segments: Real Estate, Retail, and Assisted Living. The Real Estate segment purchases, sells, leases, and develops properties, as well as offers real estate services. The Retail segment operates Jelmoli ? The House of Brands department store in Zurich. The Assisted Living segment provides senior residences and geriatric care services. The company was founded in 1999 and is headquartered in Olten, Switzerland.